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UL自己出的每一个标准都会几乎都有这么一个章节或类似的章节:
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1 S7 W9 O7 u' B0 Z2 J# ?+ FX.1 Except as indicated in 4X.2, a component of a product covered by this standard shall comply with the requirements for that component. See Appendix A for a list of standards covering components generally used in the products covered by this standard.
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+ J& K! d* F5 k同时还应该注意标准的某些章节如UL1310:$ y5 w5 |7 w# d# f
* |4 n( ~+ M2 C* t. y12.2 There shall be no components connected between primary and output circuits which result in a conductive connection (see 5.4). If capacitive coupling is provided between primary and output circuits, it shall consist of either:
3 T' q1 ~4 L3 Z5 `3 I- la) A capacitor complying with the antenna coupling requirements specified in the Standard for Capacitors and Suppressors for Radio- and Television-Type Appliances, UL 1414; or" a, I- y7 p( w4 d
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现在UL的一些标准也在做改进,如UL499则开始抛弃Appendix A的传统要求,开始细化到具体要求如:. g4 W9 p" r* f
5A.2 Requirements for Components
" A1 Q* T1 O7 Q) c! ]Section 5A.2 Added November 30, 2010
) H& @! W1 j+ O* x' V- K1 s0 J5A.2.1 Insulated Wire, Cable and Cords6 v" T6 @. e( i) L7 K. T2 I
5A.2.1.1 A cord set or power supply cord shall comply with the Standard for Cord Sets and Power Supply Cords, UL 817.! C) [! Z. ~+ [7 V
5A.2.1.2 Flexible cord and cables shall comply with the Standard for Flexible Cords and Cables, UL 62. Flexible cord and cables are considered to fulfill this requirement when preassembled in a cord set or power supply cord complying with Standard for Cord Sets and Power Supply Cords, UL 817.
+ i0 O; J5 q' }1 p0 P5A.2.1.3 Internal wiring composed of insulated conductors shall comply with the Standard for Appliance Wiring Material, UL 758.1 W2 l/ _6 Y% r- y* O- I8 n
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' M- h! f4 c \* w6 E9 l* j# o8 w1 ]5A.2.13 Gaskets and Seals, }! K0 X" s$ I7 W1 [' |+ y% K" p! R
5A.2.13.1 Gaskets and seals that comply with the Standard for Gaskets and Seals, UL 157, are considered to fulfill the requirements of 33.1.4 and 33.1.5.
$ U" T3 u4 j0 r* H4 A0 }* p0 b1 W5 ~5A.2.14 Printed Wiring Boards8 E* S# h# I p& Z& k
5A.2.14.1 Printed wiring boards shall comply with the Standard for Printed-Wiring Boards, UL 796. Unless otherwise specified, the flammability class shall be that specified for insulating materials.
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' w' W$ L( p: X8 j0 N可以看出,其实UL标准对于零部件的具体要求是非常明确的。
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